Siemens SINUMERIK 840D Operation/Programming

3
10.04 Programming with ShopMill
3.8 Millin
g
3
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition 3-269
Programming example
You wish to cut a rectangular pocket, starting with a rough cut operation and
followed by a finish cut. Since the cutting tool you are using cannot cut across
center, the workpiece needs to be predrilled first with a drill of Ø 20 mm.
Y
X
120
80
50
90
Finishing allowance 1mm
P re drilled
Diam eter 20m m
Reference point of rectangular pocket
Workpiece drawing of the rectangular pocket
Rough cut a rectangular pocket Finishing a rectangular pocket
Extract from machining plan; predrilling and milling a rectangular pocket

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB